28102850012 has 24 divisors (see below), whose sum is σ = 51816500736. Its totient is φ = 13309998768.

The previous prime is 28102849987. The next prime is 28102850023. The reversal of 28102850012 is 21005820182.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473368 + ... + 1492319.

It is an arithmetic number, because the mean of its divisors is an integer number (2159020864).

Almost surely, 2^28102850012 is an apocalyptic number.

It is an amenable number.

28102850012 is a deficient number, since it is larger than the sum of its proper divisors (23713650724).

28102850012 is a wasteful number, since it uses less digits than its factorization.

28102850012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965817 (or 2965815 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 28102850012 in words is "twenty-eight billion, one hundred two million, eight hundred fifty thousand, twelve".